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Towards highly efficient NIR II response up-conversion phosphor enabled by long lifetimes of Er3+

Author

Listed:
  • Xiumei Yin

    (Dalian Minzu University)

  • Wen Xu

    (Dalian Minzu University)

  • Ge Zhu

    (Dalian Minzu University)

  • Yanan Ji

    (Dalian Minzu University)

  • Qi Xiao

    (Dalian Minzu University)

  • Xinyao Dong

    (Dalian Minzu University)

  • Ming He

    (Dalian Minzu University)

  • Baosheng Cao

    (Dalian Minzu University)

  • Na Zhou

    (Dalian Minzu University)

  • Xixian Luo

    (Dalian Minzu University)

  • Lin Guo

    (Beijing University of Aeronautics & Astronautics)

  • Bin Dong

    (Dalian Minzu University)

Abstract

The second near-infrared (NIR II) response photon up-conversion (UC) materials show great application prospects in the fields of biology and optical communication. However, it is still an enormous challenge to obtain efficient NIR II response materials. Herein, we develop a series of Er3+ doped ternary sulfides phosphors with highly efficient UC emissions under 1532 nm irradiation. β-NaYS2:Er3+ achieves a visible UC efficiency as high as 2.6%, along with high brightness, spectral stability of lights illumination and temperature. Such efficient UC is dominated by excited state absorption, accompanied by the advantage of long lifetimes (4I9/2, 9.24 ms; 4I13/2, 30.27 ms) of excited state levels of Er3+, instead of the well-recognized energy transfer UC between sensitizer and activator. NaYS2:Er3+ phosphors are further developed for high-performance underwater communication and narrowband NIR photodetectors. Our findings suggest a novel approach for developing NIR II response UC materials, and simulate new applications, eg., simultaneous NIR and visible optical communication.

Suggested Citation

  • Xiumei Yin & Wen Xu & Ge Zhu & Yanan Ji & Qi Xiao & Xinyao Dong & Ming He & Baosheng Cao & Na Zhou & Xixian Luo & Lin Guo & Bin Dong, 2022. "Towards highly efficient NIR II response up-conversion phosphor enabled by long lifetimes of Er3+," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-34350-1
    DOI: 10.1038/s41467-022-34350-1
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    1. Tianying Sun & Yuhua Li & Wai Lok Ho & Qi Zhu & Xian Chen & Limin Jin & Haomiao Zhu & Bolong Huang & Jun Lin & Brent E. Little & Sai Tak Chu & Feng Wang, 2019. "Integrating temporal and spatial control of electronic transitions for bright multiphoton upconversion," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    2. Xiaowang Liu & Yu Wang & Xiyan Li & Zhigao Yi & Renren Deng & Liangliang Liang & Xiaoji Xie & Daniel T. B. Loong & Shuyan Song & Dianyuan Fan & Angelo H. All & Hongjie Zhang & Ling Huang & Xiaogang Li, 2017. "Binary temporal upconversion codes of Mn2+-activated nanoparticles for multilevel anti-counterfeiting," Nature Communications, Nature, vol. 8(1), pages 1-7, December.
    3. Qiuqiang Zhan & Haichun Liu & Baoju Wang & Qiusheng Wu & Rui Pu & Chao Zhou & Bingru Huang & Xingyun Peng & Hans Ågren & Sailing He, 2017. "Achieving high-efficiency emission depletion nanoscopy by employing cross relaxation in upconversion nanoparticles," Nature Communications, Nature, vol. 8(1), pages 1-11, December.
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